How much air is in a 225 65R17 tire?
tire pressure for the 225/65r17 size can vary from 26 to 42 psi, depending on the load index/range, vehicle weight, and suspension design. No, for most cars a tire pressure of 40 psi is too high. You might find 40 psi suitable for some vehicles, especially if they’re carrying heavier loads or if the manufacturer’s recommendation is close to that figure. However, it’s generally too high for most passenger cars, which usually recommend between 30-35 psi.On newer cars, the recommended pressure is most commonly listed on a sticker INSIDE the driver’s door. If there’s no sticker on the door, you can usually find the specs in the owner’s manual. Most passenger cars will recommend 32 to 35 psi in the tires when they’re cold.
Is 40 psi too much tire pressure?
No, for most cars a tire pressure of 40 psi is too high. You might find 40 psi suitable for some vehicles, especially if they’re carrying heavier loads or if the manufacturer’s recommendation is close to that figure. However, it’s generally too high for most passenger cars, which usually recommend between 30-35 psi. Considering highway tyres are best suited to highway driving and sealed roads, the recommended tyre pressure is anywhere between 32 – 35 psi, like regular car tyres. You may find that with highway tyres you need to check and adjust the pressure a little more regularly due to the long driving distances.